/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.commons.el;

import javax.servlet.jsp.el.FunctionMapper;
import javax.servlet.jsp.el.ELException;
import java.lang.reflect.Method;

import java.util.Map;
import java.util.HashMap;

public class MockFunctionMapper implements FunctionMapper {

    private Map functionMap;

    public MockFunctionMapper() {
        this.functionMap = new HashMap();
    }

    public MockFunctionMapper(Map map) {
        this.functionMap = map;
    }

    public void addIdentityMethod(String name) {
        try {
            getClass().getMethod("identity", new Class[] { Object.class });
        } catch(Exception e) {
            e.printStackTrace();
        }
    }

    public Object identity(Object input) {
        return input;
    }

    public Method resolveFunction(String prefix, String localName) {
        return (Method) this.functionMap.get(localName);
    }

}